The Black Diamond Express

Dan Foster, the engineer of the Black Diamond Express express train falls in love with Jeanne Harmon, whose snobbish, high society mother, Mrs. Harmon, does not approve of the blue-collar, rough-at-the-edges Dan Foster as a suitable husband for Jeanne. Dan Foster, the engineer of the Black Diamond Express express train falls in love with Jeanne Harmon, whose snobbish, high society mother, Mrs. Harmon, does not approve of the blue-collar, rough-at-the-edges Dan Foster as a suitable husband for Jeanne. Dan Foster, the engineer of the Black Diamond Express express train falls in love with Jeanne Harmon, whose snobbish, high society mother, Mrs. Harmon, does not approve of the blue-collar, rough-at-the-edges Dan Foster as a suitable husband for Jeanne. Dan Foster, the engineer of the Black Diamond Express express train falls in love with Jeanne Harmon, whose snobbish, high society mother, Mrs. Harmon, does not approve of the blue-collar, rough-at-the-edges Dan Foster as a suitable husband for Jeanne.